Paul Sutter received his Ph.D. in Physics from the University of Illinois at Urbana-Champaign in 2011. After spending three years at the Paris Institute of Astrophysics, he is now a visiting scholar at the Ohio State University's Center for Cosmology and Astro-Particle Physics. Sutter is the host of several podcasts and YouTube series, consults for TV and film productions, and frequently makes public appearances discussing physics and astronomy topics and the role science plays in society.
It's not often that you can get promoted, commended and even awarded for failing to do your job. But that's just what happened to the discoverers of the key evidence supporting the Big Bang theory.
Nebulas come in all sorts of shapes, sizes, colors and configurations, from almost-perfect spheres and shells to dazzlingly complex helices to tangled wrecks. But where exactly do they come from? And, perhaps more importantly, where are they going?
We're told that the supreme iron law of the universe is that nothing can go faster than the speed of light, but astronomers have shown that some galaxies break that speed limit as they move away from us. What gives?